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noise or brake stuck when braking). Adjust the brake pad to
keep the rotor in the middle position. Tighten the screws
after each adjustment.
The adjustment of the derailleur
Adjust the screw on the shifting wire
when it is hard to switch the shifter.
Loose screw 1 slightly when the shifter
can`t switch to the 8th gear; on the
contrary, if it can`t gear down to the 1st
level, loose screw 2 slightly and try
again.
Loosen screw 1 and 2 to make the
derailleur move slightly away from the
rim in case of the chain rubs the tire.
Tighten the screw when the shifter can`t
switch to the highest gear.
